<!--
 * @Description: helloworld
 * @Author: zugelu
 * @Date: 2021-07-27 13:58:29
 * @LastEditors: zugelu
 * @LastEditTime: 2021-07-28 14:03:28
-->
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="test"></div>
</body>
<script src="../js/react.development.js"></script>
<script src="../js/react-dom.development.js"></script>
<script src="../js/babel.min.js"></script>

<script type="text/babel">
    class MyComponent extends React.Component {
        state = { isHot: false }
        render() {
            return <h2 onClick={this.changeWeather}>今天天气：{this.state.isHot ? '炎热' : '凉爽'} </h2>
        }
        changeWeather = () => {
            const { isHot } = this.state;
            this.setState({ isHot: !isHot });
        }
    }

    ReactDOM.render(<MyComponent />, document.querySelector("#test"))
</script>

</html>